import hashlib,re,time
from urllib import parse
#根据特定字符串生成MD5
def md5_num(value):
s = hashlib.md5()
s.update(value.encode('utf-8'))
return s.hexdigest()
#网址解码
def url_decode(url):
new_url = parse.unquote(url)
format_str = re.match('(^http.*?\.html).*?',new_url,re.S)
return format_str[0]
#时间戳转化为固定格式时间
def time_now(timer):
return time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(timer))
#提取详情页URL的数字ID
def id_number(url):
number = re.search('.*?(?P<number>\d+).*?',url)
return number.group('number')
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